[About towel rail] The inner rod diameter of each rod is 1.27 inches (approximately 1.3 cm), and the outer rod is 9/16 inches (approximately 2.2 cm). After installation, the distance from the wall to the center of the pole is 3, and the wall at the top of the shelf is 3 11/16 inches (approximately 8.9 cm). [Retractable] The length is different, which can meet your different needs or different spaces. The old rod can be replaced without drilling holes again. [High-standard manufacturing] The towel bar is made of high quality matrial and is polished and chrome-plated, which is more durable and anti-rust than ordinary standard stainless steel. It is suitable for installation in humid environments, such as toilets and kitchens. In addition, due to the high-quality materials, it is scratch-resistant and corrosion-resistant. [Easy installation] There is a screw kit in the package, so you 't need to buy additional screws to install it. [Style] The modern style towel bar adopts polished chrome finish, suitable for industrial style, hotel decoration style, simple style, etc. colour:Silver Material:Stainless steel size:Expansion: 38.5-70cm Package Contents: 2 x Towel Rack 1 pack x screws Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.